Convert hca to mka

Download and install the latest version of Filestar.
Right click on one or more Hca file(s) on your desktop and select Convert with Filestar.
Type convert to mka in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.hca -c "convert to mka" (how).

Let your AI agent convert HCA to MKA

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Then ask your agent:

“Convert the HCA files in my Downloads folder to MKA”

Or run it yourself:

filestarcli -i file.hca -c "convert to mka"

Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.

Can my AI agent convert HCA to MKA?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.hca -c "convert to mka" on your computer, so your files stay on it.

Using Filestar With AI Agents →

What is the difference between .hca and .mka?

Name: CRI HCA Audio; Matroska Audio File
Extension: .hca; .mka
Format: Binary; Binary
Category: Audio; Audio
Developer: CRI Middleware Co., Ltd.; Matroska
Description: CRI HCA is a proprietary compressed audio format developed by CRI Middleware for use in video games and multimedia applications. It is designed for efficient streaming and playback of audio within CRI's ADX2/CRIWARE game audio middleware. The format is widely used in Japanese console and mobile games to store music and sound effects.; Audio container format that supports several types of audio compression algorithms; related to the .MKV video format, but only contains audio data.
MIME Type: audio/hca; audio/x-matroska
Sample: sample.hca; sample.mka
Wikipedia: .mka on Wikipedia

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